US officials said Russia had postponed crucial nuclear weapons talks that were due to begin on Tuesday, marking a setback for the last remaining arms treaty between the powers and providing further evidence of fraying diplomatic ties since Moscow’s invasion of Ukraine.
On Monday, John Kirby, a spokesman for the US National Security Council, said: “We haven’t received a real solid answer from the Russians as to why they postponed this. We’d like to see it get back on the schedule as soon as possible.”
A Russian foreign ministry official told the Tass news agency that the talks would be rescheduled, but offered no other details. US officials said they were working to ascertain why Moscow postponed the discussions.
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